Table 2.
Descriptive statistics of nitro-PAHs in moss (pg/g).
| Land Type | N | Mean ± SD | Median (Min, Max) | |
|---|---|---|---|---|
| 1-NP | ||||
| Rural Park | 1 | 101 | 101 (101, 101) | |
| Urban Park | 10 | 285 ± 163 | 262 (104, 561) | |
| Residential | 3 | 379 ± 147 | 321 (270, 546) | |
| Commercial Industrial | 8 | 1281 ± 236 | 1280 (982, 1600) | |
| 2-NP | ||||
| Rural Park | 1 | 38 | 38 (38, 38) | |
| Urban Park | 10 | 116 ± 61 | 97 (36, 213) | |
| Residential | 3 | 124 ± 32 | 112 (100, 161) | |
| Commercial Industrial | 8 | 334 ± 158 | 282 (195, 678) | |
| 2-NFL | ||||
| Rural Park | 1 | 379 | 379 (379, 379) | |
| Urban Park | 10 | 1523 ± 704 | 1514 (544, 2879) | |
| Residential | 3 | 1418 ± 482 | 1336 (983, 1936) | |
| Commercial Industrial | 8 | 2393 ± 864 | 2338 (954, 3997) | |